Set-top box



FIG. 1 is a front view of a set-top box showing the new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof, the left side view being a mirrorimage of the right side view;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a perspective view of the front, left side and top thereof.

The broken lines in the figures illustrate unclaimed environment andform no part of the claimed design.

CLAIM The ornamental design for a set-top box, as shown and described.